1310002103 has 2 divisors, whose sum is σ = 1310002104. Its totient is φ = 1310002102.

The previous prime is 1310002091. The next prime is 1310002117. The reversal of 1310002103 is 3012000131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310002103 is a prime.

It is a super-2 number, since 2×1310002103² = 3432211019728845218, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310002163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655001051 + 655001052.

It is an arithmetic number, because the mean of its divisors is an integer number (655001052).

Almost surely, 2^1310002103 is an apocalyptic number.

1310002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310002103 is an equidigital number, since it uses as much as digits as its factorization.

1310002103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1310002103 is about 36193.9511935351. The cubic root of 1310002103 is about 1094.1847668770.

Adding to 1310002103 its reverse (3012000131), we get a palindrome (4322002234).

The spelling of 1310002103 in words is "one billion, three hundred ten million, two thousand, one hundred three".